单项选择题

A．To show how simple the mechanical aids for diving can be.
B．To provide an excuse for his changeable character
C．To explore the philosophical issues of space travel.
D．To explain why he took up underwater exploration.
<上一题 目录 下一题>
热门 试题

单项选择题
A．They both attract scientists’ attention.B．They can both be quite challenging.C．They are both thought-provoking.D．They may lead to surprising findings.
A．They both attract scientists’ attention.
B．They can both be quite challenging.
C．They are both thought-provoking.
D．They may lead to surprising findings.
单项选择题
A．Priority should be given to listening.B．It’s most helpful to read English newspapers every day.C．It’s more effective to combine listening with reading.D．Reading should come before listening.
A．Priority should be given to listening.
B．It’s most helpful to read English newspapers every day.
C．It’s more effective to combine listening with reading.
D．Reading should come before listening.
相关试题